Novel crystalline metalloaluminophosphate

Abstract

This invention relates to a new form of crystalline metalloaluminophosphate, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

What is claimed is: 
     
       1. A crystalline metalloaluminophosphate composition comprising crystals which, as synthesized, exhibit a characteristic X-ray diffraction pattern with interplanar d-spacings at 14.980±0.1, 12.230+0.1, 7.493±0.1, 5.930±0.1 and 4.605±0.05 Angstroms and have a composition in terms of mole ratios, as follows:   A.sub.v :Q.sup.q+.sub.|i/q| :(AlO.sub.2.sup.-).sub.1-x :(PO.sub.2.sup.+).sub.1-y :(MO.sub.2.sup.m-4).sub.x+y :T.sup.t-.sub.|j/t|     wherein A represents occluded organic material, v is the number of moles of A, Q represents cations of valence q, T represents anions of valence t, M is one or more elements of valence m, other than aluminum or phosphorus, and combinations thereof with Si +4  wherein less than about 50% of M is Si +4 , and x,y,i and j are numbers which satisfy the relationship i-j=y-x+(4+m)·(x+y) and wherein m is from +2 to +6 with M having a Radius Ratio of from 0.15 to 0.73, said Radius Ratio being from 0.52 to 0.62 when m is +2.   
     
     
       2. The crystals of claim 1 which have a composition, in terms of mole ratios, as follows:   Q.sup.q+.sub.|i/q| :(AlO.sub.2.sup.-).sub.1-x :(PO.sub.2.sup.+).sub.1-y :(MO.sub.2.sup.m-4).sub.x+y :T.sup.t-.sub.|j/t|.     
     
     
       3. A catalyst composition comprising the crystalline metalloaluminophosphate composition of claim 1. 
     
     
       4. A catalyst composition comprising the crystalline metalloaluminophosphate composition of claim 2. 
     
     
       5. The composition of claim 1 wherein M comprises In +3 , Sb +3 , Sn +4 , Ti +3  or Ti +4 . 
     
     
       6. A method for synthesizing a crystalline metalloaluminophosphate composition comprising crystals which, as synthesized, exhibit a characteristic X-ray diffraction pattern with interplanar d-spacings at 14.980±0.1, 12.230±0.1, 7.493±0.1, 5.930±0.1 and 4.605±0.05 Angstroms, which comprises (i) preparing a mixture capable of forming said metalloaluminophosphate, said mixture comprising sources of aluminum, phosphorus, non-aluminum and non-phosphorus element M characterized by an oxidation number of from +2 to +6 and a Radius Ratio of from 0.15 to 0.73, said Radius Ratio being from 0.52 to 0.62 where the oxidation number is +2, water and a directing agent (R), and having a composition, in terms of mole ratios, within the following ranges: P 2  O 5  /Al 2  O 3  : 0.01 to 20   H 2  O/Al 2  O 3  : 2 to 400   H +  /Al 2  O 3  : 0.01 to 30   R/Al 2  O 3  : 0.01 to 20   M/Al 2  O 3  : 0.01 to 20 wherein R is a C 5  -C 7  alkyldiamine, (ii) maintaining said mixture under sufficient conditions until crystals of said metalloaluminophosphate are formed and (iii) recovering said crystalline metalloaluminophosphate from step (ii).     
     
     
       7. The method of claim 6 wherein said mixture has the following composition ranges: P 2  O 5  /Al 2  O 3  : 0.2 to 5   H 2  O/Al 2  O 3  : 5 to 200   H +  /Al 2  O 3  : 0.5 to 20   R/Al 2  O 3  : 0.1 to 10   M/Al 2  O 3  : 0.1 to 10.   
     
     
       8. The method of claim 6 wherein said directing agent R is heptanediamine. 
     
     
       9. The method of claim 6 wherein said directing agent R is pentanediamine. 
     
     
       10. The method of claim 6 wherein said mixture further comprises seed crystals in sufficient amount to enhance synthesis of said crystalline metalloaluminophosphate. 
     
     
       11. The method of claim 6 comprising replacing cations of the crystalline metalloaluminophosphate recovered in step (iii), at least in part, by ion exchange with a cation or a mixture of cations selected from the group consisting of hydrogen and hydrogen precursors, rare earth metals, and metals from Groups IA, IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB and VIII of the Periodic Table of Elements. 
     
     
       12. The method of claim 11 wherein said replacing cation is hydrogen or a hydrogen precursor. 
     
     
       13. The recovered crystalline metalloaluminophosphate of claim 6. 
     
     
       14. A process for effecting catalytic conversion of an organic compound-containing feedstock which comprises contacting said feedstock under catalytic conversion conditions with the catalyst composition of claim 3. 
     
     
       15. A process for effecting catalytic conversion of an organic compound-containing feedstock which comprises contacting said feedstock under catalytic conversion conditions with the catalyst composition of claim 4.